No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8228-8228 | 有氧运动装置 是 娱乐或运动器材 的 subclass |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8237-8237 | RowingMachine 是 有氧运动装置 的 subclass |